MongoDB Kotlin Driver

Introduction

Welcome to the documentation site for the Kotlin Driver, the official MongoDB driver for server-side Kotlin applications that use coroutines. Download the driver by using Maven or Gradle, or set up a runnable project by following our Quick Start guide.

Quick Start

Learn how to establish a connection to MongoDB Atlas and begin working with data in the Quick Start section.

Quick Reference

See driver syntax examples for common MongoDB commands in the Quick Reference section.

What's New

For a list of new features and changes in each version, see the What's New section.

Usage Examples

For fully runnable code snippets and explanations for common methods, see the Usage Examples section.

Fundamentals

Learn how to perform the following tasks using the Kotlin driver in the Fundamentals section:

• Connect to MongoDB

• Use the Stable API

• Authenticate with MongoDB

• Convert between MongoDB Data Formats and Kotlin Objects

• Read from and Write to MongoDB

• Simplify your Code with Builders

• Transform your Data

• Create Aggregation Expressions

• Create Indexes to Speed Up Queries

• Sort Using Collations

• Log Events in the Driver

• Monitor Driver Events

• Use a Time Series Collection

• Encrypt Fields in a Document

API Documentation

The MongoDB Kotlin driver API documentation contains several libraries organized by functionality. For detailed information about classes and methods in each library, see the following table for their descriptions and links to the API documentation.

FAQ

For answers to commonly asked questions about the MongoDB Kotlin Driver, see the Frequently Asked Questions (FAQ) section.

Connection Troubleshooting

For solutions to some issues you might experience when connecting to a MongoDB deployment while using the MongoDB Kotlin Driver, see the Connection Troubleshooting section.

Issues & Help

Learn how to report bugs, contribute to the driver, and find additional resources for asking questions and receiving help in the Issues & Help section.

Compatibility

For the compatibility charts that show the recommended Kotlin Driver version for each MongoDB Server version, see the Compatibility section.

Migrate from KMongo

Learn about the changes needed to migrate from the community-developed KMongo driver to the MongoDB Kotlin Driver in the Migrate from KMongo section.

Validate Driver Artifact Signatures

Learn about how to validate signatures of Kotlin driver artifacts published on Maven in the Validate Driver Artifact Signatures section.

Learn

Visit the Developer Hub to learn more about the MongoDB Kotlin driver.